Column Boom

Salient Features

Column: made out of fabricated steel structure having precision machined guide ways. The apron slides on the guide ways (on anti friction bearings). The vertical drive to the apron is provided by fixed speed AC motor/Gear box, brake (located at the top transmission platform) through chain sprocket drive. There is a counter balancing weight attached to the chain on the other end which slides within the column.

Apron: Fabricated/machined structure which slides up / down on the column guide ways. Houses all the anti friction bearing rollers. The boom slides horizontally on the rollers mounted on the apron.